Colour

#28A7ED

#28A7ED
Blue
Dark
Nearest: Deep skyblue

#28A7ED is a blue with RGB values 40, 167, 237 and HSL 201°, 85%, 54%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#28A7ED#28A7ED

HEX#28A7ED

RGBrgb(40, 167, 237)

RGB (0–1)0.1569, 0.6549, 0.9294

RGB percentages15.7%, 65.5%, 92.9%

HSLhsl(201.3, 84.5%, 54.3%)

HSV / HSBhsv(201.3, 83.1%, 92.9%)

CMYK83.1%, 29.5%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,664,429

CSS custom property--colour: #28A7ED;

Brightness & contrast

Relative luminance0.34203WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.84:1

Contrast with white2.68:1WCAG normal text: Fail

Contrast with black7.84:1WCAG normal text: AAA

Greyscale equivalent#919191

Inverted#D75812

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#86A8F0no red cones; affects about 1% of men; ΔE 17.3 from the original

Deuteranopia#6B96ECno green cones; the most common form, about 1% of men; ΔE 19.7 from the original

Tritanopia#00B9C0no blue cones; rare, and affects men and women equally; ΔE 39.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.68:1WCAG large text: Fail

Contrast with black, large text7.84:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.3 Steel blue · ΔE 18.3 Cornflower blue · ΔE 19.6 Light skyblue · ΔE 21.6 Sky blue · ΔE 27.6 Dodgerblue · ΔE 27.7

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.31, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#ED6E28

Analogous#28EDD1, #2845ED

Triadic#ED28A7, #A7ED28

Split complementary#ED2845, #EDD128

Tetradic#D128ED, #ED6E28, #45ED28

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E4F4FD

Lighter +30%#B5E1F9

Lighter +20%#86CEF5

Lighter +10%#57BAF1

Darker −10%#118DD1

Darker −20%#0E6DA1

Darker −30%#0A4D72

Darker −40%#062D43

More saturated +25%#16ACFF

Less saturated −25%#459FD0

Channel breakdown

R40

G167

B237

Red40 (15.7%)

Green167 (65.5%)

Blue237 (92.9%)

Hue201.32°

Saturation (HSL)84.55%

Lightness54.31%

Dominant channelBlue

Hex per channelR 28 · G A7 · B ED

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#28A7ED

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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